| BOLT CIRCLE DIAMETER | 3.440 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP |
| OVERALL DIAMETER | 4.000 INCHES NOMINAL |
| OVERALL HEIGHT | 0.734 INCHES NOMINAL |
| MATERIAL | ALUMINUM ALLOY |
| MOUNTING FACILITY TYPE AND QUANTITY | 8 UNTHREADED HOLE SINGLE MOUNTING FACILITY |
| PRECIOUS MATERIAL AND LOCATION | BODY SURFACE SILVER AND BODY SURFACE RHODIUM |
| PRECIOUS MATERIAL | SILVER AND RHODIUM |
| PRECIOUS MATERIAL AND WEIGHT | 0.100 SILVER GRAINS, TROY AND 0.100 RHODIUM GRAINS, TROY |
| STYLE DESIGNATOR | CUP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-14550,CLASS 3 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-S-365,TYPE I,GRADE B FED SPEC 2ND TREATMENT RESPONSE AND MIL-R-46085 (MR) TYPE I,CLASS I MIL SPEC 3RD TREATMENT RESPONSE |
| SURFACE TREATMENT | COPPER AND SILVER AND RHODIUM |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.164 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SINGLE MOUNTING FACILITY |